perf: 优化各 Tab 数据加载为按需请求

MarketDataView (股票行情):
- 初始只加载 summary + tradeData（2个接口）
- funding/bigDeal/unusual/pledge 数据在切换 Tab 时按需加载
- 新增 loadDataByType 方法支持懒加载

FinancialPanorama (财务全景):
- 初始只加载 stockInfo + metrics + comparison + mainBusiness（4个接口）
- 从9个接口优化到4个接口

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

src/views/EventDetail/components/RelatedStocks.js

@@ -47,7 +47,7 @@ import {
     FaRedo,
     FaSearch
 } from 'react-icons/fa';
-import * as echarts from 'echarts';
+import { echarts } from '@lib/echarts';
 import StockChartModal from '../../../components/StockChart/StockChartModal';
 
 import { eventService, stockService } from '../../../services/eventService';